[go: up one dir, main page]

Search a number
-
+
30312110 = 2531277353
BaseRepresentation
bin111001110100…
…0011010101110
32010001000101202
41303220122232
530224441420
63001405502
7515435333
oct163503256
963030352
1030312110
1116123a34
12a199892
13638407a
14405098a
1529db575
hex1ce86ae

30312110 has 32 divisors (see below), whose sum is σ = 56685312. Its totient is φ = 11658240.

The previous prime is 30312103. The next prime is 30312127. The reversal of 30312110 is 1121303.

It is a junction number, because it is equal to n+sod(n) for n = 30312091 and 30312100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85694 + ... + 86046.

It is an arithmetic number, because the mean of its divisors is an integer number (1771416).

Almost surely, 230312110 is an apocalyptic number.

30312110 is a deficient number, since it is larger than the sum of its proper divisors (26373202).

30312110 is a wasteful number, since it uses less digits than its factorization.

30312110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 30312110 is about 5505.6434682969. The cubic root of 30312110 is about 311.7970889167.

Adding to 30312110 its reverse (1121303), we get a palindrome (31433413).

The spelling of 30312110 in words is "thirty million, three hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 31 62 155 277 310 353 554 706 1385 1765 2770 3530 8587 10943 17174 21886 42935 54715 85870 97781 109430 195562 488905 977810 3031211 6062422 15156055 30312110